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Functional design patterns [closed]

... serialization Specification-based testing Parsers Purely functional parallelism Purely functional state Part III: Functional design patterns The case for abstraction Monoids Functors Monads Applicative functors Traversable and foldable data structures Comonads Part IV: Breaking the...
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Java or Python for Natural Language Processing [closed]

...s you're heading a project. Other than NLTK (www.nltk.org), there are actually other libraries for text processing in python: TextBlob: http://textblob.readthedocs.org/en/dev/ Gensim: http://radimrehurek.com/gensim/ Pattern: http://www.clips.ua.ac.be/pattern Spacy:: http://spacy.io Orange: http:/...
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Why do we need virtual functions in C++?

... a rat." So far so good, right? Animals eat generic food, cats eat rats, all without virtual. Let's change it a little now so that eat() is called via an intermediate function (a trivial function just for this example): // This can go at the top of the main.cpp file void func(Animal *xyz) { xyz-...
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How to create REST URLs without verbs?

I'm struggling to determine how to design restful URLs. I'm all for the restful approach of using URLs with nouns and not verbs don't understand how to do this. ...
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Ruby 'require' error: cannot load such file

...start your Ruby process from a different directory, you'll have to rethink all of those require statements. Using require to access files that are on the load path is a fine thing and Ruby gems do it all the time. But you shouldn't start the argument to require with a . unless you are doing someth...
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Using two values for one switch case statement

...Days); } } This is the output from the code: Number of Days = 29 FALLTHROUGH: Another point of interest is the break statement. Each break statement terminates the enclosing switch statement. Control flow continues with the first statement following the switch block. The break state...
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Are foreign keys really necessary in a database design?

...grammer to manipulate data in the correct way. Suppose a programmer is actually doing this in the right manner already, then do we really need the concept of foreign keys? ...
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Obstructed folders in Subversion

...olution can be to export the working copy (the entire checkout you have locally) to somewhere else. If you are using tortoisesvn, you get the option to "export un-versioned files", but I think if doing it from the command line it only exports versioned files so you might have a bit of a laborious t...
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UILabel with text of two different colors

...ike this: NSMutableAttributedString *text = [[NSMutableAttributedString alloc] initWithAttributedString: label.attributedText]; [text addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(10, 1)]; [label setAttributedText: text]; ...
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Clicking a button within a form causes page refresh

... Nice! It really fetched to my scenario! – Richard Sep 24 '15 at 14:39 2 ...